[CONNECTOR]: add a missing break in cn_netlink_send()

Each entry in the list has a unique id, so just break out of the
loop if the matched id is found.
Signed-off-by: NLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/connector/connector.c

@@ -88,6 +88,7 @@ int cn_netlink_send(struct cn_msg *msg, u32 __group, gfp_t gfp_mask)
 			if (cn_cb_equal(&__cbq->id.id, &msg->id)) {
 				found = 1;
 				group = __cbq->group;
+				break;
 			}
 		}
 		spin_unlock_bh(&dev->cbdev->queue_lock);